Diplotaxis puberula is not widely recognized in major encyclopedic or taxonomic references. The name appears to follow the binomial nomenclature convention, wherein Diplotaxis is a genus of plants in the family Brassicaceae (commonly known as wall rockets) or a genus of scarab beetles, and the specific epithet puberula—derived from Latin—generally denotes a characteristic of being slightly hairy or downy.
No reliable, verifiable sources provide detailed information on the morphology, distribution, ecological role, or taxonomic status of Diplotaxis puberula. Consequently, any further description would be speculative.